There are some teachers in the teachers office改否定句

There isn't any teacher in the teachers office.
Why don't you go there by bus?
There is much traffic and the money spent living is much.
Our community have many tall buildings and small gardens .
My home is next to our school.
Who's that?
How many classes do you usually have a day?
There is something wrong with my computer.
匣子,你几年级了